function [all_act]=meta_analysis_get_act_array(proj_meta,cur_sites)
all_act={};
for ynd=1:length(cur_sites)
    cur_site=cur_sites(ynd);
    for tnd=1:size(proj_meta(cur_site).rd,2)
        cnt=0;
        for vnd=1:size(proj_meta(cur_site).rd,1)
            all_act{tnd,ynd}(cnt+1:cnt+size(proj_meta(cur_site).rd(vnd,tnd).act,1),:)=proj_meta(cur_site).rd(vnd,tnd).act;
            cnt=cnt+size(proj_meta(cur_site).rd(vnd,tnd).act,1);
        end
    end
end